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Merge branches 'fixes', 'misc' and 'smp-hotplug' into for-next

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This commit is contained in:
Russell King
2019-03-15 15:12:56 +00:00
parent d410a8a49e 9db043d36b 6213f70e7c
commit 4c2741ac5e
89 changed files with 414 additions and 596 deletions
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8
arch/arm/mm/cache-v6.S
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@@ -215,8 +215,8 @@ v6_dma_inv_range:
#endif
tst r1, #D_CACHE_LINE_SIZE - 1
#ifdef CONFIG_DMA_CACHE_RWFO
ldrneb r2, [r1, #-1] @ read for ownership
strneb r2, [r1, #-1] @ write for ownership
ldrbne r2, [r1, #-1] @ read for ownership
strbne r2, [r1, #-1] @ write for ownership
#endif
bic r1, r1, #D_CACHE_LINE_SIZE - 1
#ifdef HARVARD_CACHE
@@ -284,8 +284,8 @@ ENTRY(v6_dma_flush_range)
add r0, r0, #D_CACHE_LINE_SIZE
cmp r0, r1
#ifdef CONFIG_DMA_CACHE_RWFO
ldrlob r2, [r0] @ read for ownership
strlob r2, [r0] @ write for ownership
ldrblo r2, [r0] @ read for ownership
strblo r2, [r0] @ write for ownership
#endif
blo 1b
mov r0, #0

3
arch/arm/mm/copypage-v4mc.c
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@@ -45,6 +45,7 @@ static void mc_copy_user_page(void *from, void *to)
int tmp;
asm volatile ("\
.syntax unified\n\
ldmia %0!, {r2, r3, ip, lr} @ 4\n\
1: mcr p15, 0, %1, c7, c6, 1 @ 1 invalidate D line\n\
stmia %1!, {r2, r3, ip, lr} @ 4\n\
@@ -56,7 +57,7 @@ static void mc_copy_user_page(void *from, void *to)
ldmia %0!, {r2, r3, ip, lr} @ 4\n\
subs %2, %2, #1 @ 1\n\
stmia %1!, {r2, r3, ip, lr} @ 4\n\
ldmneia %0!, {r2, r3, ip, lr} @ 4\n\
ldmiane %0!, {r2, r3, ip, lr} @ 4\n\
bne 1b @ "
: "+&r" (from), "+&r" (to), "=&r" (tmp)
: "2" (PAGE_SIZE / 64)

3
arch/arm/mm/copypage-v4wb.c
View File

@@ -27,6 +27,7 @@ static void v4wb_copy_user_page(void *kto, const void *kfrom)
int tmp;
asm volatile ("\
.syntax unified\n\
ldmia %1!, {r3, r4, ip, lr} @ 4\n\
1: mcr p15, 0, %0, c7, c6, 1 @ 1 invalidate D line\n\
stmia %0!, {r3, r4, ip, lr} @ 4\n\
@@ -38,7 +39,7 @@ static void v4wb_copy_user_page(void *kto, const void *kfrom)
ldmia %1!, {r3, r4, ip, lr} @ 4\n\
subs %2, %2, #1 @ 1\n\
stmia %0!, {r3, r4, ip, lr} @ 4\n\
ldmneia %1!, {r3, r4, ip, lr} @ 4\n\
ldmiane %1!, {r3, r4, ip, lr} @ 4\n\
bne 1b @ 1\n\
mcr p15, 0, %1, c7, c10, 4 @ 1 drain WB"
: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)

3
arch/arm/mm/copypage-v4wt.c
View File

@@ -25,6 +25,7 @@ static void v4wt_copy_user_page(void *kto, const void *kfrom)
int tmp;
asm volatile ("\
.syntax unified\n\
ldmia %1!, {r3, r4, ip, lr} @ 4\n\
1: stmia %0!, {r3, r4, ip, lr} @ 4\n\
ldmia %1!, {r3, r4, ip, lr} @ 4+1\n\
@@ -34,7 +35,7 @@ static void v4wt_copy_user_page(void *kto, const void *kfrom)
ldmia %1!, {r3, r4, ip, lr} @ 4\n\
subs %2, %2, #1 @ 1\n\
stmia %0!, {r3, r4, ip, lr} @ 4\n\
ldmneia %1!, {r3, r4, ip, lr} @ 4\n\
ldmiane %1!, {r3, r4, ip, lr} @ 4\n\
bne 1b @ 1\n\
mcr p15, 0, %2, c7, c7, 0 @ flush ID cache"
: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)

2
arch/arm/mm/dma-mapping.c
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@@ -2277,7 +2277,7 @@ EXPORT_SYMBOL_GPL(arm_iommu_attach_device);
* @dev: valid struct device pointer
*
* Detaches the provided device from a previously attached map.
* This voids the dma operations (dma_map_ops pointer)
* This overwrites the dma_ops pointer with appropriate non-IOMMU ops.
*/
void arm_iommu_detach_device(struct device *dev)
{

4
arch/arm/mm/idmap.c
View File

@@ -6,6 +6,7 @@
#include <asm/cputype.h>
#include <asm/idmap.h>
#include <asm/hwcap.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/sections.h>
@@ -110,7 +111,8 @@ static int __init init_static_idmap(void)
__idmap_text_end, 0);
/* Flush L1 for the hardware to see this page table content */
flush_cache_louis();
if (!(elf_hwcap & HWCAP_LPAE))
flush_cache_louis();
return 0;
}

69
arch/arm/mm/init.c
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@@ -278,15 +278,12 @@ void __init arm_memblock_init(const struct machine_desc *mdesc)
void __init bootmem_init(void)
{
unsigned long min, max_low, max_high;
memblock_allow_resize();
max_low = max_high = 0;
find_limits(&min, &max_low, &max_high);
find_limits(&min_low_pfn, &max_low_pfn, &max_pfn);
early_memtest((phys_addr_t)min << PAGE_SHIFT,
(phys_addr_t)max_low << PAGE_SHIFT);
early_memtest((phys_addr_t)min_low_pfn << PAGE_SHIFT,
(phys_addr_t)max_low_pfn << PAGE_SHIFT);
/*
* Sparsemem tries to allocate bootmem in memory_present(),
@@ -304,16 +301,7 @@ void __init bootmem_init(void)
* the sparse mem_map arrays initialized by sparse_init()
* for memmap_init_zone(), otherwise all PFNs are invalid.
*/
zone_sizes_init(min, max_low, max_high);
/*
* This doesn't seem to be used by the Linux memory manager any
* more, but is used by ll_rw_block. If we can get rid of it, we
* also get rid of some of the stuff above as well.
*/
min_low_pfn = min;
max_low_pfn = max_low;
max_pfn = max_high;
zone_sizes_init(min_low_pfn, max_low_pfn, max_pfn);
}
/*
@@ -494,55 +482,6 @@ void __init mem_init(void)
mem_init_print_info(NULL);
#define MLK(b, t) b, t, ((t) - (b)) >> 10
#define MLM(b, t) b, t, ((t) - (b)) >> 20
#define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K)
pr_notice("Virtual kernel memory layout:\n"
" vector : 0x%08lx - 0x%08lx (%4ld kB)\n"
#ifdef CONFIG_HAVE_TCM
" DTCM : 0x%08lx - 0x%08lx (%4ld kB)\n"
" ITCM : 0x%08lx - 0x%08lx (%4ld kB)\n"
#endif
" fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n"
" vmalloc : 0x%08lx - 0x%08lx (%4ld MB)\n"
" lowmem : 0x%08lx - 0x%08lx (%4ld MB)\n"
#ifdef CONFIG_HIGHMEM
" pkmap : 0x%08lx - 0x%08lx (%4ld MB)\n"
#endif
#ifdef CONFIG_MODULES
" modules : 0x%08lx - 0x%08lx (%4ld MB)\n"
#endif
" .text : 0x%p" " - 0x%p" " (%4td kB)\n"
" .init : 0x%p" " - 0x%p" " (%4td kB)\n"
" .data : 0x%p" " - 0x%p" " (%4td kB)\n"
" .bss : 0x%p" " - 0x%p" " (%4td kB)\n",
MLK(VECTORS_BASE, VECTORS_BASE + PAGE_SIZE),
#ifdef CONFIG_HAVE_TCM
MLK(DTCM_OFFSET, (unsigned long) dtcm_end),
MLK(ITCM_OFFSET, (unsigned long) itcm_end),
#endif
MLK(FIXADDR_START, FIXADDR_END),
MLM(VMALLOC_START, VMALLOC_END),
MLM(PAGE_OFFSET, (unsigned long)high_memory),
#ifdef CONFIG_HIGHMEM
MLM(PKMAP_BASE, (PKMAP_BASE) + (LAST_PKMAP) *
(PAGE_SIZE)),
#endif
#ifdef CONFIG_MODULES
MLM(MODULES_VADDR, MODULES_END),
#endif
MLK_ROUNDUP(_text, _etext),
MLK_ROUNDUP(__init_begin, __init_end),
MLK_ROUNDUP(_sdata, _edata),
MLK_ROUNDUP(__bss_start, __bss_stop));
#undef MLK
#undef MLM
#undef MLK_ROUNDUP
/*
* Check boundaries twice: Some fundamental inconsistencies can
* be detected at build time already.

4
arch/arm/mm/pmsa-v8.c
View File

@@ -165,7 +165,7 @@ static int __init pmsav8_setup_ram(unsigned int number, phys_addr_t start,phys_a
return -EINVAL;
bar = start;
lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);;
lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);
bar |= PMSAv8_AP_PL1RW_PL0RW | PMSAv8_RGN_SHARED;
lar |= PMSAv8_LAR_IDX(PMSAv8_RGN_NORMAL) | PMSAv8_LAR_EN;
@@ -181,7 +181,7 @@ static int __init pmsav8_setup_io(unsigned int number, phys_addr_t start,phys_ad
return -EINVAL;
bar = start;
lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);;
lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);
bar |= PMSAv8_AP_PL1RW_PL0RW | PMSAv8_RGN_SHARED | PMSAv8_BAR_XN;
lar |= PMSAv8_LAR_IDX(PMSAv8_RGN_DEVICE_nGnRnE) | PMSAv8_LAR_EN;

7
arch/arm/mm/proc-v7m.S
View File

@@ -139,6 +139,9 @@ __v7m_setup_cont:
cpsie i
svc #0
1: cpsid i
ldr r0, =exc_ret
orr lr, lr, #EXC_RET_THREADMODE_PROCESSSTACK
str lr, [r0]
ldmia sp, {r0-r3, r12}
str r5, [r12, #11 * 4] @ restore the original SVC vector entry
mov lr, r6 @ restore LR
@@ -149,10 +152,10 @@ __v7m_setup_cont:
@ Configure caches (if implemented)
teq r8, #0
stmneia sp, {r0-r6, lr} @ v7m_invalidate_l1 touches r0-r6
stmiane sp, {r0-r6, lr} @ v7m_invalidate_l1 touches r0-r6
blne v7m_invalidate_l1
teq r8, #0 @ re-evalutae condition
ldmneia sp, {r0-r6, lr}
ldmiane sp, {r0-r6, lr}
@ Configure the System Control Register to ensure 8-byte stack alignment
@ Note the STKALIGN bit is either RW or RAO.